MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Solder is an alloy of______________? |
| A. | Copper and aluminium |
| B. | Tin and lead |
| C. | Nickel, copper and zinc |
| D. | Silver, copper and lead |
| Answer» C. Nickel, copper and zinc | |
| 2. |
Superconductivity is observed for____________? |
| A. | Infrared frequencies |
| B. | D.c. and low frequency |
| C. | A.c. and high frequency |
| D. | Frequencies having no effect |
| Answer» C. A.c. and high frequency | |
| 3. |
Superconductors are becoming popular for use in________________? |
| A. | Generating very strong magnetic field |
| B. | Manufacture of bubble memories |
| C. | Generating electrostatic field |
| D. | Generating regions free from magnetic field |
| Answer» B. Manufacture of bubble memories | |
| 4. |
Superconducting metal in super conducting state has relative permeability of________________? |
| A. | Zero |
| B. | One |
| C. | Negative |
| D. | More than one |
| Answer» B. One | |
| 5. |
Steel wire is used as____________? |
| A. | Overhead telephone wire |
| B. | Earth wire |
| C. | Core wire of ACSR |
| D. | All of the above |
| Answer» E. | |
| 6. |
Substances whose specific resistance abruptly decreases at very low temperature are called___________? |
| A. | Insulators |
| B. | Conductors |
| C. | Semiconductors |
| D. | Superconductors |
| Answer» E. | |
| 7. |
Selenium is __________ semiconductor? |
| A. | Extrnisic |
| B. | Intmisic |
| C. | N-type |
| D. | P-type |
| Answer» C. N-type | |
| 8. |
If the resistance of a conductor does not vary in accordance with Ohm s law it is known as____________? |
| A. | Non-linear conductor |
| B. | Reverse conductor |
| C. | Bad-conductor |
| D. | Non-conductor |
| Answer» B. Reverse conductor | |
| 9. |
Super conductivity can be destroyed by_____________? |
| A. | Adding impurities |
| B. | Reducing temperatures |
| C. | Application of magnetic field |
| D. | Any of the above |
| Answer» D. Any of the above | |
| 10. |
Surface resistance of an insulating material is reduced due to the______________? |
| A. | Smoky and dirty atmosphere |
| B. | Humidity in the atmosphere |
| C. | Both (A) and (b) |
| D. | Neither (A) nor (b) |
| Answer» D. Neither (A) nor (b) | |